package com.lagou.homework;

public class ArrayToStringTest {


    public static void main(String[] args) {

        int[] arr1 = null;
        System.out.println(ArrayToString.toString(arr1));
        int[] arr2 = new int[0];
        System.out.println(ArrayToString.toString(arr2));
        int[] arr3 = {1,2,3,4,5};
        System.out.println(ArrayToString.toString(arr3));

    }

}
